/**
 * Copyright (c) 2011 Roundarch (www.roundarch.com)
 *
 * Author Joshua Jung
 *
 * ---
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.roundarch.flex.controls.graphControlBackgrounds
{
    import com.roundarch.flex.controls.GraphControlBase;
    import com.roundarch.flex.controls.graphControlInterfaces.IGraphControlSelector;
    import com.roundarch.flex.controls.graphControlInterfaces.IGraphControlUnderlay;

    import flash.events.Event;
    import flash.geom.Matrix;

    import mx.core.UIComponent;

    /**
     *
     * @author jjung
     */
    public class GraphControlTrackDefault extends UIComponent implements IGraphControlUnderlay
    {
        //---------------------------------------------------------------------
        //
        //  Properties
        //
        //---------------------------------------------------------------------
        //-----------------------------
        // parentGC
        //-----------------------------
        /**
         * @private
         */
        protected var _parentGC : GraphControlBase = null;

        [Bindable("parentGCChanged")]
        /**
         *
         *
         * @default null
         */
        public function get parentGC() : GraphControlBase
        {
            return _parentGC;
        }

        /**
         * @private
         */
        public function set parentGC(value : GraphControlBase) : void
        {
            if (value == _parentGC)
            {
                return;
            }

            _parentGC = value;

            dispatchEvent(new Event("parentGCChanged"));
        }

        //---------------------------------------------------------------------
        //
        //  Constructor
        //
        //---------------------------------------------------------------------
        /**
         *  Constructor
         */
        public function GraphControlTrackDefault()
        {
            super();
        }

        //---------------------------------------------------------------------
        //
        //  Variables
        //
        //---------------------------------------------------------------------
        /**
         * The parent selector of this skin.
         */
        protected var graphControlSelector : IGraphControlSelector;

        //---------------------------------------------------------------------
        //
        //  Overridden Methods
        //
        //---------------------------------------------------------------------
        /**
         * @inheritDoc
         */
        override protected function updateDisplayList(unscaledWidth : Number, unscaledHeight : Number) : void
        {
            super.updateDisplayList(unscaledWidth, unscaledHeight);

            var matrix : Matrix = new Matrix();

            matrix.createGradientBox(9, 9, Math.PI / 2, 0, 0);

            graphics.clear();

            graphics.lineStyle(1, 0x8e9399, 1);
            graphics.beginGradientFill("linear", [0xffffff, 0xffffff, 0xcccccc, 0xcccccc], [1, 1, 1, 1], [0, 0, 150, 255], matrix);
            graphics.drawRoundRectComplex(0, (unscaledHeight / 2) - 3, unscaledWidth, 6, 3, 3, 3, 3);
            graphics.endFill();
        }
    }
}
